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A function to insert a vector of recruitment deviations into the control file for simulation studies. This function was written in 2010, long before the functions to read and write the input files were created. An alternative approach would be to read the control file, add the recdevs, and then write it again, but this function still works so there's no immediate need to streamline that alternative approach.

Usage

SS_recdevs(
  fyr,
  lyr,
  ctl = NULL,
  recdevs = NULL,
  rescale = TRUE,
  scaleyrs = NULL,
  dir = getwd(),
  ctlfile = "control.ss_new",
  newctlfile = "control_modified.ss",
  verbose = TRUE,
  writectl = TRUE,
  returnctl = FALSE,
  newmaxbias = NULL
)

Arguments

fyr

First year of the recdev vector.

lyr

Last year of the recdev vector.

ctl

Either NULL to read anew or an already read control file. Default=NULL.

recdevs

Either NULL to generate anew or an already generated vector of recdevs. Default=NULL.

rescale

Should the recdevs be rescaled to have mean = 0 and std. deviation = sigmaR? Default=TRUE.

scaleyrs

Vector of years over which rescaling (if chosen) should occur.

dir

A file path to the directory of interest. The default value is dir = NULL, which leads to using the current working directory.

ctlfile

Name of control file to modify. Default="control.ss_new".

newctlfile

Name of new file to output modified control file. Default="control_modified.ss".

verbose

A logical value specifying if output should be printed to the screen.

writectl

Write new file? Default=TRUE.

returnctl

Return contents ctl file as an object in the R workspace. Default=FALSE.

newmaxbias

Replace the maximum bias adjustment fraction with any non-NULL value. Default=NULL.

Author

Ian Taylor